body ,.body ,.background_Img,.content, .background,.login_form{
    margin: 0 auto ;
    padding: 0;
}
.background_Img img{
    width: 100%;
    height: 100%;
}
.logo_Img{
    width: 1200px;
    margin: auto;
}
.logo_Title img{
    width: 80px;
    height: 80px;
}
.background{
    margin: 0 auto;
    position: relative;
}
.logo_Title span{
    font-size: 40px;
    margin-left: 30px;
    margin-top: 15px;
    color: #fff;
}
.logo_Title{
    display: inline-flex;
    margin-top: 10%;
    float: left;
    margin-left: 100px;
}
.introduction_title span{
    font-size: 18px;
    font-weight: 100;
    margin-left: 20%;
    margin-top: 1%;
    display: block;
}
.content{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    text-align: center;
}
.login{
    width: 100%;
    margin: auto;
    text-align: center;
    position: absolute;
    left: 0;
    top: 0;
}
.login_form{
    width: 400px;
    height: 360px;
    background-color: #fff;
    float: right;
    margin-top: 200px;
    border-radius: 5px;
}
.main_Content{
    width: 1200px;
    height: 100%;
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto;
}
.login_Register{
    margin-top: 20px;
}
.login_Register span{
    float: left;
    font-size: 22px;
    margin-left: 20px;
}
.input_Login{
    margin-top: 100px;
    width: 300px;
    background-color: #fff;
    border: 1px solid #e0e0e0;
    height: 40px;
    margin-left: 50px;
    border-radius: 5px;
}
.input_Login input{
    height: 80%;
    width: 250px;
    border: 1px solid #fff;
    outline: none;
    margin-top: 5px;
}
body{
    background: url("/Web_img/Backstage_login_Img.webp") no-repeat;
    background-size: 100% 100% ;
    background-attachment: fixed;
}
.button_Login{
    margin-top: 30px;
}
.button_Login button{
    width: 250px;
    height: 40px;
    border: 1px solid #FF6700;
    background-color: #FF6700;
    color: #ffffff;
    border-radius: 5px;
    font-size: 15px;
}
.other_Function{
    margin-top: 20px;
}
.other_Function span{
    font-size: 14px;
    color: #FF6700;
    float: left;
    margin-left: 50px;
    cursor: pointer;
}
.other{
    width: 100%;
    text-align: center;
    margin-top: 50%;
    position: absolute;
}
.other span{
    color: #ffffff;
    font-size: 14px;
}
.register{
    margin-top: 100px;
}
.input_register span{
    font-size: 14px;
}